Question

what two pieces of information are necessary in order to define a vector quantity​

Answer 1

Answer:

Explanation:

Any quantity that needs a magnitude and a direction to fully describe it is what is called a vector quantity. ... A vector is, therefore, a directed quantity: a number with a direction. Both the number and the direction must be specified in order for the vector to make any sense.

Answer 2

Answer:

A magnitude and a direction.

They're the two fundamental measurements in a vector quantity.